3 years ago

How long will it take 36 grams of plutonium-240 to decay to 12 grams?

Mathematics

1 answer:

IgorC [24]3 years ago

3 0

I think the answer is 9987.38 years

Hope this helps :)

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Give the equation of the circle centered at the origin and passing through the point (0,-8)

Norma-Jean [14]

Answer:

The answer to your question is x ² + y² = 64

Step-by-step explanation:

Process

1.- Find the length of the radius

C (0, 0)

P (0, -8)

d = $\sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2} }$

d = $\sqrt{(0- 0)^{2}+ (-8 - 0)^{2} }$

d = $\sqrt{64}$

d = 8

2.- Find the equation of the circle

$(x - h)^{2} + (y - k)^{2} = r^{2} \\$

h = 0 and k = 0

$(x - 0)^{2} + (y - 0)^{2} = 8^{2}$

x² + y² = 64

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Which of the following is

emmainna [20.7K]

B.13.1 that’s the answer

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50% of what number is 32?

andriy [413]

So you know 50% means half right? So then do 32*2 and you get 64.

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